121390820978108448984

Names of 121390820978108448984

• Cardinal: 121390820978108448984 can be written as One hundred twenty-one quintillion, three hundred ninety quadrillion, eight hundred twenty trillion, nine hundred seventy-eight billion, one hundred eight million, four hundred forty-eight thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.21390820978108448984 × 10²⁰

Factors of 121390820978108448984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1721562716

Divisors of 121390820978108448984

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 725208031 996354673 1450416062 1992709346 2175624093 2900832124 2989064019 3985418692 4351248186 5076456217 5801664248 5978128038 6974482711 7970837384 8702496372 10152912434 11956256076 13948965422 15229368651 17404992744 20305824868 20923448133 23912512152 27897930844 30458737302 40611649736 41846896266 55795861688 60917474604 83693792532 121834949208 167387585064 722564410583978863 1445128821167957726 2167693231751936589 2890257642335915452 4335386463503873178 5057950874087852041 5780515284671830904 8670772927007746356 10115901748175704082 15173852622263556123 17341545854015492712 20231803496351408164 30347705244527112246 40463606992702816328 60695410489054224492 121390820978108448984
• Sum of all divisors σ(n): 346830917906659952640
• Sum of proper divisors (its aliquot sum) s(n): 225440096928551503656
• 121390820978108448984 is an abundant number, because the sum of its proper divisors (225440096928551503656) is greater than itself. Its abundance is 104049275950443054672

Bases of 121390820978108448984

• Binary: 1101001010010100010110101001000011000000001001100001100000011011000₂
• Hexadecimal: 0x694A2D4860130C0D8
• Base-36: PM9QMPCHJJJKO

Squares and roots of 121390820978108448984

• 121390820978108448984 squared (121390820978108448984²) is 14735731417739174298887991733886130632256
• 121390820978108448984 cubed (121390820978108448984³) is 1788782534512264315914601562071828414850650397505127440827904
• The square root of 121390820978108448984 is 11017750268.4580961137
• The cube root of 121390820978108448984 is 4951406.8847716365

Scales and comparisons

• 121,390,820,978,108,448,984 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,390,820,978,108,448,984 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 121390820978108448984 cubic inches would be around 412617.2 feet tall.

Recreational maths with 121390820978108448984

• 121390820978108448984 backwards is 489844801879028093121
• The number of decimal digits it has is: 21
• The sum of 121390820978108448984's digits is 96
• More coming soon!